private void RemoveParentAnchorFromTitle(IHTMLElement titleElement, MshtmlMarkupServices markupServices)
{
try
{
// Look for a parent <A> anchor tag
MarkupPointer startPointer = markupServices.CreateMarkupPointer(titleElement, _ELEMENT_ADJACENCY.ELEM_ADJ_AfterBegin);
IHTMLElement parentAnchor = startPointer.GetParentElement(ElementFilters.ANCHOR_ELEMENTS);
if (parentAnchor != null)
{
// To make sure the title is readable, we will replace the anchor tag with a new span tag
// that has all of the anchor tag properties we believe need to be propogated. This will
// keep the final render as close to the original as possible.
// Get the next parent block element to compare against the anchor tag
IHTMLElement parentBlock = startPointer.GetParentElement(ElementFilters.BLOCK_OR_TABLE_CELL_ELEMENTS);
// If no block element was found we will compare against the body
if (parentBlock == null)
parentBlock = startPointer.GetParentElement(ElementFilters.BODY_ELEMENT);
Debug.Assert(parentBlock != null, "parentBlock was unexpectedly null!");
IHTMLElement newAnchor = markupServices.CreateElement(_ELEMENT_TAG_ID.TAGID_SPAN, string.Empty);
IHTMLElement2 newAnchor2 = (IHTMLElement2)newAnchor;
IHTMLElement2 parentAnchor2 = (IHTMLElement2)parentAnchor;
IHTMLElement2 parentBlock2 = (IHTMLElement2)parentBlock;
// Only insert the size if it was redefined from the anchor's parent. That way
// relative sizes don't layer on each other.
if (!(parentAnchor2.currentStyle.fontSize.Equals(parentBlock2.currentStyle.fontSize)))
newAnchor2.runtimeStyle.fontSize = parentAnchor2.currentStyle.fontSize;
// Copy all other attributes
CopyAnchorAttributes(parentAnchor2, newAnchor2);
markupServices.ReplaceElement(parentAnchor, newAnchor);
}
}
catch (Exception ex)
{
// Any failure is ignorable, we will just continue with the parent anchor tag
Debug.WriteLine("Failed to remove parent anchor tag from title, " + ex);
}
}
public static IHTMLElement WrapRangeInElement(MshtmlMarkupServices services, MarkupRange range, _ELEMENT_TAG_ID tagId, string attributes)
{
IHTMLElement newElement = services.CreateElement(tagId, attributes);
services.InsertElement(newElement, range.Start, range.End);
return newElement;
}
private void UpdateImageLink(string href, IHTMLElement ImgElement, ILinkOptions defaultOptions)
{
MshtmlMarkupServices markupServices = new MshtmlMarkupServices((IMarkupServicesRaw)ImgElement.document);
IHTMLElement parentElement = ImgElement.parentElement;
if (!(parentElement is IHTMLAnchorElement))
{
parentElement = markupServices.CreateElement(_ELEMENT_TAG_ID.TAGID_A, null);
MarkupRange range = markupServices.CreateMarkupRange();
range.MoveToElement(ImgElement, true);
markupServices.InsertElement(parentElement, range.Start, range.End);
//set the default target attribute for the new element
string target = defaultOptions.ShowInNewWindow ? "_blank" : null;
IHTMLAnchorElement htmlAnchorElement = (parentElement as IHTMLAnchorElement);
if (htmlAnchorElement.target != target) //don't set the target to null if its already null (avoids adding empty target attr)
htmlAnchorElement.target = target;
ImageViewer viewer = DhtmlImageViewers.GetImageViewer(DhtmlImageViewer);
if (viewer != null)
{
if (defaultOptions.UseImageViewer)
viewer.Apply(htmlAnchorElement, defaultOptions.ImageViewerGroupName);
}
}
parentElement.setAttribute("href", href, 0);
}
private IHTMLElement CreateNodeForCentering()
{
// Create markup services using the element's document that we are analyzing
MshtmlMarkupServices MarkupServices = new MshtmlMarkupServices(_element.document as IMarkupServicesRaw);
MarkupPointer end = MarkupServices.CreateMarkupPointer();
MarkupPointer start = MarkupServices.CreateMarkupPointer();
// Find the element that we will want to wrap.
IHTMLElement elementToEncapsulate = _element;
// If the elements parent is an A, we will also want to
// wrap the A and not just the image inside
if (_element.parentElement.tagName == "A")
{
elementToEncapsulate = _element.parentElement;
}
// Move the starting pointer to before the begining of the element we want to wrap
start.MoveAdjacentToElement(elementToEncapsulate, _ELEMENT_ADJACENCY.ELEM_ADJ_BeforeBegin);
// Find this elements parent
IHTMLElement3 currentBlockScope = start.CurrentBlockScope() as IHTMLElement3;
// If its parent is also the div that is around the post
// we need to actually create a new div and just put it around the element
// If it is splittable block, split it
// e.g "<DIV>Blah<IMG/>Blah</DIV>" => "<DIV>Blah</DIV><DIV><IMG/></DIV><DIV>Blah</DIV>"
if (!IsBodyElement(currentBlockScope))
{
// We are in a block that can be split so split it at the begining and end
MarkupHelpers.SplitBlockForInsertionOrBreakout(MarkupServices, null, start);
end.MoveAdjacentToElement(elementToEncapsulate, _ELEMENT_ADJACENCY.ELEM_ADJ_AfterEnd);
MarkupHelpers.SplitBlockForInsertionOrBreakout(MarkupServices, null, end);
// Position start back to the beginning of our element
start.MoveAdjacentToElement(elementToEncapsulate, _ELEMENT_ADJACENCY.ELEM_ADJ_BeforeBegin);
}
// Now we can wrap it in an P tag (centering node)
end.MoveAdjacentToElement(elementToEncapsulate, _ELEMENT_ADJACENCY.ELEM_ADJ_AfterEnd);
IHTMLElement centeringElement = MarkupServices.CreateElement(_ELEMENT_TAG_ID.TAGID_P, string.Empty);
MarkupServices.InsertElement(centeringElement, start, end);
return centeringElement;
}